1801411128 has 192 divisors, whose sum is σ = 5700240000. Its totient is φ = 508135680.

The previous prime is 1801411123. The next prime is 1801411151. The reversal of 1801411128 is 8211141081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801411121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 886818 + ... + 888846.

It is an arithmetic number, because the mean of its divisors is an integer number (29688750).

Almost surely, 2^1801411128 is an apocalyptic number.

1801411128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1801411128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2850120000).

1801411128 is an abundant number, since it is smaller than the sum of its proper divisors (3898828872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1801411128 is a wasteful number, since it uses less digits than its factorization.

1801411128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 27.

The square root of 1801411128 is about 42443.0339160621. The cubic root of 1801411128 is about 1216.7581962875.

The spelling of 1801411128 in words is "one billion, eight hundred one million, four hundred eleven thousand, one hundred twenty-eight".